---
title: "Queensland Rail Limited: MCC 505 MNC 21"
mcc: "505"
mnc: "21"
plmn: "50521"
operator: "Queensland Rail Limited"
country: "Australia"
country_iso: "AU"
region: "Oceania"
technologies: ["2G"]
updated: "2025-04-09"
canonical: "https://mcc-mnc.org/networks/505_21"
---

# Queensland Rail Limited: MCC 505, MNC 21 (Australia)

**Queensland Rail Limited** is a mobile network in [Australia](https://mcc-mnc.org/countries/australia.md) (Oceania), identified by MCC **505** and MNC **21**: PLMN ID 50521, also written 505-21 or 505 21. It runs 2G.

## Identifiers

| Field | Value |
|---|---|
| MCC (Mobile Country Code) | 505 |
| MNC (Mobile Network Code) | 21 |
| PLMN ID (MCC+MNC) | 50521 |
| TADIG code | — |
| Brand | — |
| Operator | Queensland Rail Limited |
| Country | Australia (AU) |
| Region | Oceania |
| Dialling code | — |
| Technologies | 2G |
| Last updated | 2025-04-09 |

## Technologies & bands

| Generation | Bands | Measured cells |
|---|---|---|
| 2G | [GSM-R 1800](https://mcc-mnc.org/coverage/gsm-r_1800.md) | 2 |

## Voice & calling services

| Service | Status | Source |
|---|---|---|
| VoLTE | Unknown | — |
| VoWiFi | Unknown | — |
| ViLTE | Unknown | — |
| VoNR | Unknown | — |

A service not marked Supported or Not supported is unknown: no data either way, not a sign that the network lacks it.

## About Queensland Rail Limited

Queensland Rail Limited operates a unique mobile network in Australia, specifically within the Oceania region. Distinguished by its Mobile Country Code (MCC) of 505 and Mobile Network Code (MNC) of 21, this network isn't your typical public cellular provider like Telstra, Optus, or Vodafone. Instead, Queensland Rail's mobile infrastructure is strategically deployed to support its railway operations, enabling critical communication and data transmission across its vast network. This specialized application differs significantly from the consumer-focused services offered by major Australian mobile carriers, who prioritises coverage density for population.

Queensland Rail's dedicated mobile network plays a vital role in ensuring the safe and efficient operation of the state's railway system. Key applications may include train control and communication, signalling systems, and real-time monitoring of infrastructure. Leveraging its own MCC and MNC allocation, Queensland Rail maintains greater control and reliability over its communications, tailored to the specific requirements of its railway environment. While not directly comparable in coverage footprint to nationwide networks, Queensland Rail's mobile infrastructure plays a crucial but unsung role in keeping Queensland's trains running on time and effectively across the state, and indeed is something that would be an expected setup for many railway operators across the globe.

## Cell towers

OpenCelliD has measured **2** cells on this network across 1 location/tracking areas, first seen 2025-03-28 and last seen 2025-07-28 (data as of 2026-09-27).

| Radio | Generation | Cells |
|---|---|---|
| GSM | 2G | 2 |

Locate a single cell by MCC, MNC, LAC/TAC and cell ID with the https://mcc-mnc.org/cell-id-lookup tool, `GET /api/v1/cells` or the MCP `lookup_cell` tool. Cell data from OpenCelliD (https://opencellid.org), licensed CC BY-SA 4.0.

## Other networks in Australia

| MCC | MNC | Network | TADIG |
|---|---|---|---|
| 505 | 01 | [Telstra](https://mcc-mnc.org/networks/505_01.md) | AUSTA |
| 505 | 02 | [Optus](https://mcc-mnc.org/networks/505_02.md) | AUSOP |
| 505 | 03 | [Vodafone](https://mcc-mnc.org/networks/505_03.md) | AUSVF |
| 505 | 04 | [Department of Defence](https://mcc-mnc.org/networks/505_04.md) | — |
| 505 | 05 | [Ozitel](https://mcc-mnc.org/networks/505_05.md) | — |
| 505 | 06 | [3](https://mcc-mnc.org/networks/505_06.md) | — |
| 505 | 07 | [Vodafone](https://mcc-mnc.org/networks/505_07.md) | — |
| 505 | 08 | [One Tel](https://mcc-mnc.org/networks/505_08.md) | — |
| 505 | 09 | [Airnet](https://mcc-mnc.org/networks/505_09.md) | — |
| 505 | 10 | [Norfolk Is](https://mcc-mnc.org/networks/505_10.md) | — |
| 505 | 11 | [Telstra](https://mcc-mnc.org/networks/505_11.md) | — |
| 505 | 12 | [3](https://mcc-mnc.org/networks/505_12.md) | — |
| 505 | 13 | [RailCorp](https://mcc-mnc.org/networks/505_13.md) | — |
| 505 | 14 | [AAPT](https://mcc-mnc.org/networks/505_14.md) | — |
| 505 | 15 | [3GIS](https://mcc-mnc.org/networks/505_15.md) | — |
| 505 | 16 | [VicTrack](https://mcc-mnc.org/networks/505_16.md) | — |
| 505 | 17 | [Optus](https://mcc-mnc.org/networks/505_17.md) | — |
| 505 | 18 | [Pactel](https://mcc-mnc.org/networks/505_18.md) | — |
| 505 | 19 | [Lycamobile](https://mcc-mnc.org/networks/505_19.md) | — |
| 505 | 20 | [Ausgrid Corporation](https://mcc-mnc.org/networks/505_20.md) | — |
| 505 | 22 | [iiNet Ltd](https://mcc-mnc.org/networks/505_22.md) | — |
| 505 | 23 | [Challenge Networks Pty Ltd](https://mcc-mnc.org/networks/505_23.md) | — |
| 505 | 24 | [Advanced Communications Technologies Pty. Ltd.](https://mcc-mnc.org/networks/505_24.md) | — |
| 505 | 25 | [Pilbara Iron Company Services Pty Ltd](https://mcc-mnc.org/networks/505_25.md) | — |
| 505 | 26 | [Dialogue Communications Pty. Ltd.](https://mcc-mnc.org/networks/505_26.md) | — |
| 505 | 27 | [Nexium Telecommunications](https://mcc-mnc.org/networks/505_27.md) | — |
| 505 | 28 | [RCOM International Pty Ltd](https://mcc-mnc.org/networks/505_28.md) | — |
| 505 | 30 | [Compatel Limited](https://mcc-mnc.org/networks/505_30.md) | — |
| 505 | 31 | [BHP Billiton](https://mcc-mnc.org/networks/505_31.md) | — |
| 505 | 32 | [Thales Australia](https://mcc-mnc.org/networks/505_32.md) | — |
| 505 | 33 | [CLX Networks Pty Ltd](https://mcc-mnc.org/networks/505_33.md) | — |
| 505 | 34 | [Santos Limited](https://mcc-mnc.org/networks/505_34.md) | — |
| 505 | 35 | [MessageBird Pty Ltd](https://mcc-mnc.org/networks/505_35.md) | — |
| 505 | 36 | [Optus](https://mcc-mnc.org/networks/505_36.md) | — |
| 505 | 37 | [Yancoal Australia Ltd](https://mcc-mnc.org/networks/505_37.md) | — |
| 505 | 38 | [Truphone](https://mcc-mnc.org/networks/505_38.md) | — |
| 505 | 39 | [Telstra](https://mcc-mnc.org/networks/505_39.md) | — |
| 505 | 40 | [CITIC Pacific Mining](https://mcc-mnc.org/networks/505_40.md) | — |
| 505 | 41 | [Aqura Technologies Pty](https://mcc-mnc.org/networks/505_41.md) | — |
| 505 | 42 | [GEMCO](https://mcc-mnc.org/networks/505_42.md) | — |
| 505 | 43 | [Arrow Energy Pty Ltd](https://mcc-mnc.org/networks/505_43.md) | — |
| 505 | 44 | [Roy Hill Iron Ore Pty Ltd](https://mcc-mnc.org/networks/505_44.md) | — |
| 505 | 45 | [Clermont Coal Operations Pty Ltd](https://mcc-mnc.org/networks/505_45.md) | — |
| 505 | 46 | [AngloGold Ashanti Australia Ltd](https://mcc-mnc.org/networks/505_46.md) | — |
| 505 | 47 | [Woodside Energy Limited](https://mcc-mnc.org/networks/505_47.md) | — |
| 505 | 48 | [Titan ICT Pty Ltd](https://mcc-mnc.org/networks/505_48.md) | — |
| 505 | 50 | [Pivotel Group Pty Limited](https://mcc-mnc.org/networks/505_50.md) | — |
| 505 | 61 | [CommTel NS](https://mcc-mnc.org/networks/505_61.md) | — |
| 505 | 62 | [NBN](https://mcc-mnc.org/networks/505_62.md) | — |
| 505 | 68 | [NBN](https://mcc-mnc.org/networks/505_68.md) | — |
| 505 | 71 | [Telstra](https://mcc-mnc.org/networks/505_71.md) | — |
| 505 | 72 | [Telstra](https://mcc-mnc.org/networks/505_72.md) | — |
| 505 | 88 | [Pivotel Group Pty Limited](https://mcc-mnc.org/networks/505_88.md) | — |
| 505 | 90 | [Optus](https://mcc-mnc.org/networks/505_90.md) | — |
| 505 | 99 | [One Tel](https://mcc-mnc.org/networks/505_99.md) | — |

---

HTML version: https://mcc-mnc.org/networks/505_21 · Index for AI agents: https://mcc-mnc.org/llms.txt · Data is community-maintained; corrections welcome on the HTML page.